Title (en)

Polymerizable liquid crystal material

Title (de)

Polymerisierbares Flüssigkristallmaterial

Title (fr)

Matériau liquide cristalline polymérisable

Publication

EP 1256617 A1 20021113 (EN)

Application

EP 02007978 A 20020410

Priority

• EP 02007978 A 20020410
• EP 01110189 A 20010508
• EP 01116737 A 20010719

Abstract (en)

The invention relates to a polymerizable liquid crystal material comprising at least one polymerizable surface-active compound, its use for the preparation of anisotropic polymer films, and the use of the liquid crystal material and the polymer films in optical and electrooptical devices, for decorative and security applications.

IPC 1-7

C09K 19/38; C09K 19/20; C09K 19/46

IPC 8 full level

C09K 19/20 (2006.01); C09K 19/38 (2006.01); C09K 19/46 (2006.01); C09K 19/54 (2006.01)

CPC (source: EP)

C09K 19/2007 (2013.01); C09K 19/38 (2013.01); C09K 19/3852 (2013.01); C09K 19/46 (2013.01); C09K 19/54 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/3095 (2013.01); C09K 2019/528 (2013.01)

Citation (search report)

• [DA] WO 9945082 A1 19990910 - ROCKWELL INTERNATIONAL CORP [US], et al
• [DA] US 5995184 A 19991130 - CHUNG YOUNG J [US], et al
• [DA] WO 9322397 A1 19931111 - MERCK PATENT GMBH [DE], et al
• [DA] DE 19504224 A1 19950824 - MERCK PATENT GMBH [DE]
• [DA] WO 9522586 A1 19950824 - BASF AG [DE], et al
• [DA] WO 9700600 A2 19970109 - BASF AG [DE], et al
• [DA] WO 9800428 A1 19980108 - MERCK PATENT GMBH [DE], et al
• [DA] GB 2328207 A 19990217 - MERCK PATENT GMBH [DE]
• [PA] US 2002017633 A1 20020214 - GOULDING MARK [GB], et al

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1256617 A1 20021113; EP 1256617 B1 20040915

DOCDB simple family (application)

EP 02007978 A 20020410